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Hexadecimal to Decimal Converter

Convert hexadecimal numbers (base-16) to decimal numbers (base-10) with this online tool.

Calculator

Enter the values described below, then run. Use Load sample to try a prefilled example when available.

Format hints
FF

How to Use This Tool

  1. Open the Hexadecimal to Decimal Converter and find the main field: Hexadecimal number.
  2. Type your values in that field. The placeholder shows an example format (FF).
  3. Click "Convert" to compute the result in your browser.
  4. Read the result in the Result section. Use Copy to paste the output elsewhere.

Learn More About Hexadecimal to Decimal Converter

Hexadecimal to Decimal Conversion

Hexadecimal (base-16) uses digits 0-9 and letters A-F (representing 10-15). To convert to decimal (base-10), multiply each digit by 16 raised to the power of its position (rightmost is 0) and sum the results.

Example

Hex: 1A Decimal: (1 16^1) + (10 16^0) = 16 + 10 = 26

About

Convert hexadecimal numbers (base-16) to decimal numbers (base-10) with this online tool. Enter a hexadecimal string and get its decimal equivalent.

Examples

Valid hex

Hexadecimal number
Input
A
Output
Shown in the Result area after you click the action button.

Valid hex

Hexadecimal number
Input
FF
Output
Shown in the Result area after you click the action button.

Use Cases

  • Web development for color code conversions.
  • Software engineering for debugging and data analysis.
  • Understanding memory addresses and data representation.
  • Working with file formats and protocols that use hexadecimal.

Frequently Asked Questions